Utilities are imposing higher electricity rates and collateral requirements to identify legitimate data-center projects to better plan their own investments.

Wildfires are putting America’s aging electric grid under mounting strain at a time when power demand is soaring.

Defense company RTX is working with fusion energy startup Xcimer, using technology that harks back to the Cold War era.

The company, which counts Bill Gates as an early backer, went public in a buzzy IPO in May.

The company has a powerful ally with an incentive to see it grow: the U.S. government.

Renewed interest in atomic energy and AI mania are colliding at the Idaho National Lab—where Oklo and rivals hope to revive the long-stagnant industry.

Form Energy’s fundraising has surpassed $2 billion for batteries that can continuously run for 100 hours.

Base Power, co-founded by Michael Dell’s son, lands a $13 billion valuation as electricity demand and battery storage are booming.

Equipment backlogs, permitting delays, tariffs and yearslong waits to connect to the grid are pushing up the expense.

High temperatures, new AI data centers and drought conditions pose challenges to the electricity system.

The Energy Department will let utilities tap government funds to kick-start reactor orders.

Kevin McGurn helped drive the company’s unexpected foray into fusion energy. Now, he will have to figure out how to manage a diverse group of businesses as its CEO.

Bill Gates-backed TerraPower and Google partner Kairos are building nuclear plants in Wyoming and Tennessee.

Electricity bills are rising in those oil-dependent regions, while lower natural-gas prices have insulated most of the rest of the country.

Fusion company TAE Technologies was facing a funding crunch last year when it found an unlikely partner.

Alva Energy has the support of former Intel chief Pat Gelsinger, whose venture firm led its recent $33 million fundraising round.

Investments include restarting manufacturing of gas turbines, the monster machines needed to supply reliable power for the AI-data-center boom.

Developers desperately need access to electricity—and bitcoin miners are in a prime position to assist.

Fermi, a buzzy startup that recently went public, is positioned to benefit from the AI data-center boom and a potential nuclear-power renaissance.

Utilities are pushing to increase supply, but meeting the surge in demand won’t be easy or fast. Tech companies aren’t waiting around.

The tech giant will buy the power generation of an Illinois nuclear plant under a deal with Constellation Energy.

When I was diagnosed with cancer, I set out to understand why a single pill of Revlimid cost the same as a new iPhone. I’ve covered high drug prices as a reporter for years. What I discovered shocked ...

The country’s largest natural-gas power plant is planned east of Pittsburgh.

The highest-earning 10% of Americans account for almost 50% of all consumer spending.

The president, who despises wind turbines, has paused federal permits and leasing for such projects, putting company plans in limbo.

Transformers used in power grids are especially vulnerable to trade disruptions.

The merger combines two of the country’s largest power generators as demand for electricity surges.

Instead of touting projects as “clean and affordable,” renewables firms are highlighting their projects’ ability to meet energy needs.

These ballooning expenses are rewriting the math of homeownership.

The Energy Department loan would finance the California utility’s efforts to upgrade the power grid and reduce emissions.

The Tesla CEO was once an outspoken voice on climate change. But Musk now argues many risks are overstated, a stance that could influence Trump and help his businesses.

Fracking CEO Chris Wright points to positive changes produced by global warming, in contrast with what some oil giants say.

JB Straubel brims with optimism for the electric-vehicle market he helped create and his plans for again disrupting another industry: mining.

Cynthia Erivo and Ariana Grande star in director Jon M. Chu’s lavishly entertaining adaptation of the Broadway hit set in the land of Oz.

Fossil-fuel tycoons helped return Donald Trump to the presidency. Now, they are seeking to lock use of their products for years to come.

In remote Quebec, mining giant Glencore is turning America’s electronic trash back into treasure.

The administration is accelerating the approval of large loans for clean technologies that the president-elect attacked on the campaign trail.

Chris Wright’s nomination elevates a pugnacious branch of the oil-and-gas industry that mostly hasn’t pledged to build out low-carbon energy businesses, unlike giants Exxon and Chevron.

The technology driving ChatGPT is capable of so much more. What’s coming next will make talking bots look like mere distractions.

President-elect Donald Trump's transition team is planning to kill the $7,500 consumer tax credit for electric-vehicle purchases as part of broader tax-reform legislation, two sources with direct knowledge of the matter told Reuters.

General Motors has cut 1,000 jobs, according to a person familiar with the reductions, marking the latest effort by the automaker to trim costs as it ramps up sales in unprofitable electric vehicles.

In an interview, Exxon Mobil CEO Darren Woods says Trump’s plan to pull the U.S. out of the Paris agreement is a bad idea.